<template>
  <div class="header">
    <div class="left">
      <i v-if="hasBack" class="el-icon-back" @click="back"></i>
      <span style="font-size: 20px">{{ name }}</span>
    </div>
    <div class="right">
      <el-popover
        placement="bottom"
        :width="320"
        trigger="click"
        popper-class="popper-user-box"
      >
        <template #reference>
          <div class="author">
            <i class="icon el-icon-s-custom"/>
            {{ userInfo && userInfo.nickName || '' }}
            <i class="el-icon-caret-bottom"/>
          </div>
        </template>
        <div class="nickname">
          <p>登录名：{{ userInfo && userInfo.loginUserName || '' }}</p>
          <p>昵称：{{ userInfo && userInfo.nickName || '' }}</p>
          <el-tag size="small" effect="dark" class="logout" @click="logout">退出</el-tag>
        </div>
      </el-popover>
    </div>
  </div>
</template>

<script>
import axios from '@/utils/axios'
import { localRemove, pathMap } from '@/utils'

export default {
  name: 'Header',
  data () {
    return {
      name: 'dashboard',
      userInfo: null,
      hasBack: false
    }
  },
  methods: {
    async getUserInfo () {
      this.userInfo = await axios.get('/adminUser/profile')
    },
    logout () {
      axios.delete('/logout').then(() => {
        localRemove('token')
        window.location.reload()
      })
    },
    back () {
      this.$router.back()
    }
  },
  mounted () {
    const pathname = window.location.hash.split('/')[1] || ''
    if (!['login'].includes(pathname)) {
      this.getUserInfo()
    }
    this.$router.afterEach((to) => {
      const { id } = to.query
      this.name = pathMap[to.name]
      if (id && to.name === 'add') {
        this.name = '编辑商品'
      }
      this.hasBack = ['level2', 'level3', 'order_detail'].includes(to.name)
    })
  }
}
</script>

<style scoped>
.header {
  height: 50px;
  border-bottom: 1px solid #e9e9e9;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.el-icon-back {
  border: 1px solid #e9e9e9;
  padding: 4px;
  border-radius: 50px;
  margin-right: 10px;
}

.right > div > .icon {
  font-size: 18px;
  margin-right: 6px;
}

.author {
  margin-left: 10px;
  cursor: pointer;
}
</style>
<style>
.popper-user-box {
  background: url('../assets/account-banner-bg.png') 50% 50% no-repeat !important;
  background-size: cover !important;
  border-radius: 0 !important;
}

.popper-user-box .nickname {
  position: relative;
  color: #ffffff;
}

.popper-user-box .nickname .logout {
  position: absolute;
  right: 0;
  top: 0;
  cursor: pointer;
}
</style>
